| Navaid Facility ID: | VNN |
| Official Navaid Facility ID: | VNN |
| Navaid Facility Type: | DME |
| Navaid Name: | Mount Vernon |
| City: | MOUNT VERNON |
| State: | ILLINOIS |
| FAA Region: | |
| Latitude: | 38-21-43.034N (38.362) |
| Longitude: | 088-48-26.413W (-88.8073) |
| Lat/Long Survey Accuracy: | NOS |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | L-DME |
| Hours of Operation: | 24 |
| Magnetic Variance: | 3 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZKC (KANSAS CITY) |
| ARTCC Low Altitude ID (Name): | ZKC (KANSAS CITY) |
| Navaid ID: | VNN |
| Navaid Facility Type: | |
| Air or Ground: | Ground |
| Bearing of Checkpoint: | 223 |
| Altitude: | |
| Airport ID: | MVN |
| State: | IL |
| Description: | 3.2 NM AT INTERSECTION OF TWY B & B2. |